Home / 167,495.76-231,120.83-122,224.86

Finding the Fourth Proportional to 167,495.76, 231,120.83 and 122,224.86

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Solution

The fourth proportional to 167,495.76, 231,120.83 and 122,224.86 is: 168,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,495.76 : 231,120.83 = 122,224.86 : x
  2. Step 2: Convert to fraction form
    167,495.76/231,120.83 = 122,224.86/x
  3. Step 3: Cross multiply
    167,495.76x = 231,120.83 × 122,224.86
  4. Step 4: Simplify right side
    167,495.76x = 28,248,710,478.71
  5. Step 5: Solve for x
    x = 28,248,710,478.71/167,495.76
  6. Step 6: Final answer
    x = 168,653.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.